How should a new freelancer approach building trust with their first few clients?

[Btaliat]

There is a need for the new freelancers to know how to trust their clients. This will make them to know how to relate with them and even secure tasks without any fear. They may even ask for fifty percent upfront without any worries. However, there is a need for the clients as well to know how much to trust the freelancers before they can be giving them tasks. How do you think they need to be securing this trust?